Wallpaper - pn
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Photoshopped composite of six images of the lunar eclipse of December 20th, 2010. Technical details: Canon 5D II camera on steady tripod.  300mm f/2.8 lens with 2x teleconverter for 600mm total. Exposure mostly f11, but varies from f11,  1/80sec, ISO 400 all the way to f5.6, 1/4sec, ISO 3200.  It may not seem to the eye that the eclipsed moon is more than 1000 times darker than the lit moon, but it is.